Photoluminescence Property of Lu2Si2O7:Ce3+ Powder for Scintillator
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- 2016.06.04
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- 2016.04
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서지정보
ㆍ발행기관 : 한국재료학회
ㆍ수록지정보 : 한국재료학회지 / 26권 / 4호
ㆍ저자명 : Kyung-Nam Kim, Guozhong Cao
목차
1. Introduction
2. Experimental Procedure
3. Results and Discussion
4. Conclusion
Acknowledgements
References
영어 초록
In this paper, cerium doped lutetium pyrosilicate (LPS) powders with cerium content (0.05 and 0.07 mol%) were prepared by sol-gel process. The formation of lutetium pyrosilicate (LPS) phase was confirmed by XRD analysis for the powders heated at 1,200 oC; in these powders, a single phase of Lu2Si2O7 (LPS) was observed. Cerium doped lutetium pyrosilicate (LPS) powder was agglomerated and constituted of small spherical particles with diameters of about 300 nm. The photoluminescence spectra of the Lu2Si2O7:Ce3+ powders showed the characteristic of excitation and there was an emission spectrum for Ce3+ in the host of Lu2Si2O7. The emission spectrum shows a broad band in the range of 350-525 nm; the broad wavelength on the right side of the spectra should be ascribed to the same 5d-4f transitions of Ce3+, as in the case of cerium doped Lu2Si2O7 single crystals.
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